*SUPPORT*
IN: tufa OUT: PINK
IN: gazzer wif gazzer wif gazzer wif gazzer OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: tufa wif zup lug OUT: PINK RED RED PINK
IN: zup wif gazzer wif gazzer OUT: RED BLUE BLUE BLUE RED
IN: dax wif zup OUT: PURPLE RED PURPLE
IN: dax wif dax lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa wif dax OUT: PINK PURPLE PINK
IN: tufa zup OUT: PINK RED
IN: zup lug OUT: RED RED
IN: tufa wif gazzer lug OUT: PINK BLUE BLUE PINK
IN: dax tufa OUT: PURPLE PINK
IN: tufa wif dax wif tufa OUT: PINK PURPLE PINK PURPLE PINK
IN: dax OUT: PURPLE
IN: gazzer wif gazzer lug OUT: BLUE BLUE BLUE BLUE

*QUERY*
IN: zup tufa OUT: RED PINK
IN: zup dax wif dax OUT: RED PURPLE PURPLE PURPLE
IN: dax wif zup fep tufa OUT: PINK PINK PURPLE RED PURPLE
IN: zup zup dax dax lug OUT: RED RED PURPLE PURPLE RED RED PURPLE PURPLE
IN: zup tufa gazzer lug OUT: RED PINK BLUE RED PINK BLUE
IN: tufa tufa wif zup lug OUT: PINK PINK RED PINK PINK PINK RED PINK
IN: tufa gazzer OUT: PINK BLUE
IN: zup fep dax OUT: PURPLE PURPLE RED
IN: zup OUT: RED
IN: gazzer OUT: BLUE

*GRAMMAR*
dax -> PURPLE 
 gazzer -> BLUE 
 tufa -> PINK 
 zup -> RED 
 x1 fep x2 -> [x2] [x2] [x1] 
 u1 wif x1 -> [u1] [x1] [u1] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 